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Marquise|Lab Grown|IGI

0.71ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG659454454

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG659454454

Diamond specifications and retailer prices

From HK$722 HKD
$92 USD
As of November 2, 2026
Save HK$5,874 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,596 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659454454 or 659454454. Listed at 12 retailers as of October 29, 2026, with prices from HK$722 to HK$6,596, a HK$5,874 spread on the same certified stone. MOH London lists it at HK$6,596. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659454454
Dimensions9.10 × 4.65 × 2.95 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm4.65 mm0.71 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659454454
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$6,596 HKD|Low: HK$722 HKD|High: HK$6,596 HKD|Avg: HK$2,307 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 2HK$722 HKD
Retailer 9HK$832 HKD
Retailer 10HK$949 HKD
Retailer 15HK$1,105 HKD
Retailer 14HK$1,491 HKD
Retailer 5HK$1,639 HKD
Retailer 8HK$1,670 HKD
Retailer 4HK$1,859 HKD
Retailer 3HK$1,944 HKD
Retailer 13HK$2,777 HKD
Retailer 11HK$2,872 HKD
Retailer 7HK$3,005 HKD
Retailer 12HK$3,201 HKD
Retailer 6HK$4,383 HKD
MOH LondonHK$6,596 HKD

6 data points across 15 retailers

12 retailersHK$722 HKD to HK$6,596 HKD

A
Cheapest Retailer
-
HK$722 HKD
$92 USD
A
Retailer 2
-
HK$832 HKD
$106 USD
View
A
Retailer 3
-
HK$949 HKD
$121 USD
View
A
Retailer 4
-
HK$1,105 HKD
View
A
Retailer 5
-
HK$1,491 HKD
$190 USD
View
A
Retailer 6
-
HK$1,670 HKD
£168 GBP
View
A
Retailer 7
-
HK$1,859 HKD
$237 USD
View
A
Retailer 8
-
HK$1,944 HKD
£195 GBP
View
B+
Retailer 9
-
HK$2,777 HKD
$354 USD
View
B+
Retailer 10
-
HK$2,872 HKD
$366 USD
View
B+
Retailer 11
-
HK$3,201 HKD
$408 USD
View
Most Expensive
B
MOH London
LG659454454 · Oct 29
HK$6,596 HKD
£662 GBP
View
11 more retailers have this diamond
Prices start from HK$722 HKDSave up to HK$5,874 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.71ct Marquise
HK$722 HKD